arm64: dts: mt8183: fix pwrap gic number

The correct gic number of pwrap is 185 instead of 209. This patch fixes
it to avoid triggering error interrupt.

Fixes: e526c9bc ("arm64: dts: Add Mediatek SoC MT8183 and evaluation board dts and Makefile")

Signed-off-by: Hsin-Hsiung Wang <hsin-hsiung.wang@mediatek.com>
Signed-off-by: Matthias Brugger <matthias.bgg@gmail.com>